... 功率谱密度 power spectral density 功率谱法 power spectral method 功率谱；能谱 power spectrum ...
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对粘结面采用灌砂法和功率谱法分维对比分析后认为，功率谱法的分维值及相应的截距可对粘结面大的波形起伏与粗糙点进行描述。
Through the comparative analysis of the sand filling method and fractional dimension of power spectrum method, we can find that the great wave of the...
最大熵与互功率谱相位法就是首先求出组分波的波至点。
The arrival of components must been picked for the method of maximum entropy and cross power spectrum phase.
用平均平滑周期图法分别估算出信号与噪声的功率谱密度函数。
The power spectrum of the noise and signal are estimated by the average smooth periodogram method.
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